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内燃式燃气发电机组的工作原理

来源:http://www.huannengpower.com   发布于:2016-08-01

首先,内燃机燃烧低热值燃料时,机组出力明显下降,一台燃烧低热值8000大卡/立方米天然气燃料的500千瓦级燃气内燃发电机组,在使用低热值4000大卡/立方米的焦化煤气时,出力可能下降到350~400kW左右。
Firstly, the combustion of fuels of low calorific value, unit output decreased significantly, a burning low calorific value 8000 kcal / cubic meters of natural gas as fuel for 500 kilowatt gas internal combustion generating units, in the use of low calorific value of 4000 kcal / m3 coking gas, the output may decline to 3.5 ~ 400KW.
此外,内燃机需要频繁更换机油和火花塞,消耗材料比较大,也影响到设备的可用性和可靠性两个主要设备利用指标,对设备利用率影响比较大,有时不得不采取增加发电机组台数的办法,来消除利用率低的影响。
In addition, the internal combustion engine need frequent replacement of oil, and the spark plug, the material consumption of relatively large, but also affect the equipment availability and reliability of two main equipment utilization index, the equipment utilization rate is relatively large, sometimes have to take measures to increase power generation units, to eliminate the influence of low utilization rate.
内燃式燃气发电机组设备对焦化煤气中的水分子含量和硫化氢比较敏感,可能导致硫化氢和水形成硫酸腐蚀问题,需要采取一些必要措施加以克服。燃气轮机比较适用于高含氢低热值和气体含杂质较多的劣质燃料,一些燃气轮机甚至使用原油和高硫渣油燃料。
Internal combustion gas turbine equipment of coking and gas content of the water molecular and hydrogen sulfide is more sensitive, could lead to the hydrogen sulfide and water to form sulfuric acid corrosion problems and need to take some necessary measures to overcome them. Gas turbine is suitable to the perhydrous low calorific value and gas containing more impurities of low-grade fuel, some gas turbines and even the use of crude oil and high sulfur residual fuel.
燃气轮机自身的发电效率不算很高,一般在30%~35%之间。其优点是对于燃料的适应性比较强,含硫、含尘高一点问题都不大;再有就是发电出力一般不会减少,甚至因为燃料进气量增加而有所增加;此外,燃气轮机功率密度大体积小,比较适合再移动,便于转移运行现场,这对于存在一些不确定性的焦化厂项目的焦化煤气利用非常有利。
The gas turbine power generation efficiency is not high, generally in 30% ~ 35%. The utility model has the advantages of adaptability for fuel, relatively strong, sulfur, with high dust problem is not large; again is the power output generally will not be reduced, even as fuel intake air quantity can be increased; in addition, gas turbine power density is large and the volume is small, more suitable for moving again, facilitate transfer of field operation, which for some uncertainty in the coking plant project of coking gas utilization is very favorable.
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This article is contributed by the friendship of gas turbine generating unit. More knowledge about please click: attitude of http://www.huannengpower.com most sincere. For you to provide the most comprehensive services. More relevant knowledge and we will continue to everyone dedication. Stay tuned.

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